{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["supported platform", "releaser", "vulnerability", "common vulnerabilities and exposures", "issues addressed", "time", "vulnerable system version"]}], "input": "Instead , hackers find unpatched vulnerabilities in network servers and manually unleash SamSam to seize key data systems and cause maximum damage to the company ’s infrastructure ."}
{"patch vulnerability": []}